<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>错误页面</title>
</head>
<body>
<style>
    .container {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh
    }
</style>
<div class="container">
    <h2 style="color: red;">出错了</h2>
</div>


</body>
</html>